Automatic drain valve



1. Automatic drain valve

1.1 : Perspective

1.2 : Front

1.3 : Back

1.4 : Top

1.5 : Bottom

1.6 : Left

1.7 : Right

The dash-dot broken lines in Figures 1.6 and 1.7 define the bounds of the claimed design and the portions within the dash-dot broken lines form no part of the claimed design. 

CLAIM The ornamental design for an automatic drain valve, as shown and described. 